A 2010 study of mitochondrial DNA of the spoonbills by Chesser and colleagues found that the roseate and yellow-billed spoonbills were each other's closest relatives, and the two were descended from an early offshoot from the ancestors of the other four spoonbill species.
The Yellow Book standards help auditors hold the organizations they audit accountable. GAGAS contains requirements relating to ethics, independence, auditorsâ professional judgment and competence, quality control, performance of the audit, and reporting.
An accounting period, in bookkeeping, is the period with reference to which accounting books of any entity are prepared. It is the period for which books are balanced and the financial statements are prepared. Generally, the accounting period consists of 12 months. However the beginning of the accounting period differs according to the jurisdiction.